N.M. Code R. § 20.11.4.153 Applicability Analysis

• Library: New Mexico Administrative Code
• Edition: 2023
• Currency: Current through Register Vol. 34, No. 21, November7, 2023
• Citation: N.M. Code R. § 20.11.4.153
• Year: 2023

A. Conformity determinations for federal actions related to transportation plans, programs, and projects developed, funded, or approved under Title 23 U.S.C. or 49 U.S.C. Chapter 53 must meet the procedures and criteria of 40 CFR Part 51, Subpart T, in lieu of the procedures set forth in 20.11.4 NMAC.

B. For federal actions not covered by Subsection A of 20.11.4.153 NMAC, a conformity determination is required for each criteria pollutant or precursor where the total of direct and indirect emissions in a nonattainment or maintenance area caused by a federal action would equal or exceed any of the rates in Paragraph (1) or (2) of Subsection B of 20.11.4.153 NMAC.

(1) For purposes of Subsection B of 20.11.4.153 NMAC, the following rates apply in nonattainment areas

Criteria Pollutant or Precursor	Rate (Tons/Year)
Ozone (VOC's or NOx):
Serious NAA's	50
Severe NAA's	25
Extreme NAA's	10
Other ozone NAA's outside an ozone transport region	100
Other ozone NAA's inside an ozone transport region:
VOC	50
NOx	100
Carbon monoxide:
All NAA's	100
SO2 or NO2:
All NAA's	100
PM10:
Moderate NAA's	100
Serious NAA's	70
PM 2.5:
Direct emissions	100
SO2	100
NOx (unless determined not to be significant precursors)	100
VOC or ammonia (if determined to be significant precursors)	100
Pb:
All NAA's	25

(2) For the purposes of Subsection B of 20.11.4.153 NMAC, the following rates apply in maintenance areas

Criteria Pollutant or Precursor	Rate (Tons/Year)
Ozone (NOx SO2 or NO2):
All maintenance areas	100
Ozone (VOC's):
Maintenance areas inside an ozone transport region	50
Maintenance areas outside an ozone transport region	100
Carbon monoxide:
All maintenance areas	100
PM10:
All maintenance areas	100
PM 2.5:
Direct emissions	100
SO2	100
NOx (unless determined not to be significant precursors)	100
VOC or ammonia (if determined to be significant precursors)	100
Pb:
All maintenance areas	25

C. The requirements of 20.11.4 NMAC shall not apply to the following federal actions:

(1) actions where the total of direct and indirect emissions are below the emissions...